Exposure to solar ultraviolet radiation (UVR) is an occupational health and safety issue for outdoor occupations, since excessive exposure is associated with negative health outcomes, including eye conditions, and skin cancers.In this study, electronic dosimeters were used to record time-stamped UVR exposure of a convenience sample of 77 workers from three occupations: building, horticulture, and roading, selected from listings in Central Otago yellow pages directories. Workers kept a diary record of concurrent sun-protective practices and completed a questionnaire on sun-related knowledge, attitudes towards suntans, and perceptions of workplace socio-cultural environment. The two outcomes were UVR exposure and sun-protective practices.Using the Haddon Matrix and Ottawa Charter for Health Promotion to structure and guide the research, variables potentially associated with the outcomes were considered from the host (worker) and the socio-cultural environment (workplace) domains. Host factors included (1) sun and skin cancer related knowledge, (2) attitudes towards suntans, and (3) perceived risk of skin cancer..
The new «baby feeding bible» from the award-wining author of Raising Baby Green Called the «Al Gore of Parenting» by Parenting Magazine, Dr. Alan Greene has written the follow up to his best-selling book and offers parents a definitive guide for making nutritionally-sound decisions for their children. Offers parents green choices for feeding children from when they are in the womb through toddler years. This unique guide includes advice on how to transform a baby's eating habits that will positively impact their health and development for the rest of their lives. Dr. Greene has included everything a parent needs to know about creating healthy, nutritious meals that help avoid childhood obesity, and prevent childhood disease. This must-have resource Shows how what a mother eats during pregnancy effects her baby's health and eating habits for years after birth Provides the definitive guide to «green» feeding for babies from pregnancy to toddlers Filled with practical tips and advice for selecting and preparing earth friendly meals for babies Shows the health benefits for babies who eat «green» with innate nutritional intelligence The crucial follow-up to the best-selling book Raising Baby Green In addition to working in his medical practice, Dr. Alan Greene makes regular appearances on the Today show and writes articles for the New York Times.
The double-walled, hollow-channeled, rigid plastic structures are extensively used worldwide for covering agricultural and residential buildings for cooling and heating purposes. This book provides detailed analysis for the transport phenomena of solar radiation through these covers in two cases (i.e., empty or filled with liquid radiation filters). Methods for investigating the optical constants of liquid radiation filters and translucent covering materials were developed. Energy analysis for a greenhouse covered with these covers was established; different physical models were developed and validated with experimental measurements to describe solar, thermal radiation, conduction, convection and water vapor transfer through the cover, crop canopy and moist soil. Smart covering materials made from plastic films or rigid plastic sheets able to reflect the UV and IR and highly transmit the PAR radiations were evaluated to be used for covering greenhouses in hot and sunny regions.